—Do you know ______?
—To meet her friends from America.
| A．where is Anna going |
| B．where Anna is going |
| C．why is Anna going to the airport |
| D．why Anna is going to the airport |
Please tell us how things used________．
| A．to be |
| B．being |
| C．to being |
| D．be |
They volunteer________at the local hospital．
| A．to work |
| B．working |
| C．work |
| D．to working |
That boy looks very unhappy．Let’s________．
| A．to cheer up him |
| B．to cheer him up |
| C．cheer him up |
| D．cheer up him |
His sister usually helps him________his homework．
| A．doing |
| B．do |
| C．does |
| D．to doing |
—Your tea smells great！
—It’s from India．Would you like________？
| A．it |
| B．this |
| C．some |
| D．little |